/**
 * Jingga
 *
 * @copyright Jingga
 * @license   OMS License 2.0
 * @version   1.0.0
 * @link      https://jingga.app
 */
#ifndef TOS_PLATFORM_LINUX_NETWORK_SERVER_H
#define TOS_PLATFORM_LINUX_NETWORK_SERVER_H

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <errno.h>

#include "../../../stdlib/Types.h"
#include "../../../network/SocketConnection.h"
#include "../../../utils/EndianUtils.h"

// WARNING: requires `sudo setcap cap_net_raw=eip /path/to/your_program`
void socket_server_raw_create(const char* hostname, SocketConnection* con) {
    con->sd = socket(AF_INET6, SOCK_RAW, 255);

    int32 flags;
    if ((flags = fcntl(con->sd, F_GETFL, 0)) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    if (fcntl(con->sd, F_SETFL, flags | O_NONBLOCK) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    con->addr.sin6_family = AF_INET6;
    con->addr.sin6_addr = in6addr_any;
    con->addr.sin6_port = SWAP_ENDIAN_BIG(con->port);

    if (bind(con->sd, (sockaddr *) &con->addr, sizeof(con->addr)) < 0) {
        close(con->sd);
        con->sd = 0;
    }
}

// WARNING: requires `sudo setcap cap_net_raw=eip /path/to/your_program`
void socket_server_udp_raw_create(const char* hostname, SocketConnection* con) {
    con->sd = socket(AF_INET6, SOCK_RAW, IPPROTO_UDP);

    int32 flags;
    if ((flags = fcntl(con->sd, F_GETFL, 0)) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    if (fcntl(con->sd, F_SETFL, flags | O_NONBLOCK) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    con->addr.sin6_family = AF_INET6;
    con->addr.sin6_addr = in6addr_any;
    con->addr.sin6_port = SWAP_ENDIAN_BIG(con->port);

    if (bind(con->sd, (sockaddr *) &con->addr, sizeof(con->addr)) < 0) {
        close(con->sd);
        con->sd = 0;
    }
}

void socket_server_udp_create(const char* hostname, SocketConnection* con) {
    con->sd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);

    int32 flags;
    if ((flags = fcntl(con->sd, F_GETFL, 0)) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    if (fcntl(con->sd, F_SETFL, flags | O_NONBLOCK) < 0) {
        close(con->sd);
        con->sd = 0;
    }

    con->addr.sin6_family = AF_INET6;
    con->addr.sin6_addr = in6addr_any;
    con->addr.sin6_port = SWAP_ENDIAN_BIG(con->port);

    if (bind(con->sd, (sockaddr *) &con->addr, sizeof(con->addr)) < 0) {
        close(con->sd);
        con->sd = 0;
    }
}

#endif